Joan Fontanals created SPARK-29877:
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Summary: static PageRank allow checkPoint from previous
computations
Key: SPARK-29877
URL: https://issues.apache.org/jira/browse/SPARK-29877
Project: Spark
Issue Type: Wish
Components: GraphX
Affects Versions: 2.3.0
Reporter: Joan Fontanals
Fix For: 2.3.0
It would be really helpful to have the possibility, when computing
staticPageRank to use a previous computation as a checkpoint to continue the
iterations.
I have done a small code proposal, but there is a problem because at the end of
the iterations a normalization step is performed.
Therefore, if we use this normalized graph as a checkpoint for a new set of
iterations, the algorithm will not restart in a coherent way.
I created a branch in my fork:
[https://github.com/JoanFM/spark/tree/pageRank_checkPoint]
I hope you can consider this feature, and if you do that you can implement
yourself or propose me a way to handle this identified problem
Thank you very much,
Best regards,
Joan
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